US20140251628A1 - Anti-Rotation Assembly for Sliding Sleeve - Google Patents
Anti-Rotation Assembly for Sliding Sleeve Download PDFInfo
- Publication number
- US20140251628A1 US20140251628A1 US13/789,984 US201313789984A US2014251628A1 US 20140251628 A1 US20140251628 A1 US 20140251628A1 US 201313789984 A US201313789984 A US 201313789984A US 2014251628 A1 US2014251628 A1 US 2014251628A1
- Authority
- US
- United States
- Prior art keywords
- inner sleeve
- sleeve
- sliding sleeve
- housing
- ball
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 230000002401 inhibitory effect Effects 0.000 claims 1
- 238000003801 milling Methods 0.000 abstract description 7
- 239000012530 fluid Substances 0.000 description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 7
- 238000002955 isolation Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/12—Valve arrangements for boreholes or wells in wells operated by movement of casings or tubings
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/14—Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
- E21B34/142—Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools unsupported or free-falling elements, e.g. balls, plugs, darts or pistons
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
- E21B2200/06—Sleeve valves
Definitions
- a staged fracturing operation multiple zones of a formation need to be isolated sequentially for treatment.
- operators install a fracturing assembly down the wellbore, which typically has a top liner packer, open hole packers isolating the wellbore into zones, various sliding sleeves, and a wellbore isolation valve.
- fracturing assembly down the wellbore, which typically has a top liner packer, open hole packers isolating the wellbore into zones, various sliding sleeves, and a wellbore isolation valve.
- operators may use single shot sliding sleeves for the fracturing treatment.
- These types of sleeves are usually ball-actuated and lock open once actuated.
- Another type of sleeve is also ball-actuated, but can be shifted closed after opening.
- FIG. 1A shows an example of a sliding sleeve 10 for a multi-zone fracturing system in partial cross-section in an opened state.
- This sliding sleeve 10 is similar to Weatherford's ZoneSelect MultiShift fracturing sliding sleeve and can be placed between isolation packers in a multi-zone completion.
- the sliding sleeve 10 includes a housing 20 defining a bore 25 and having upper and lower subs 22 and 24 .
- An inner sleeve or insert 30 can be moved within the housing's bore 25 to open or close fluid flow through the housing's flow ports 26 based on the inner sleeve 30 's position.
- the inner sleeve 30 When initially run downhole, the inner sleeve 30 positions in the housing 20 in a closed state.
- a breakable retainer 38 initially holds the inner sleeve 30 toward the upper sub 22 , and a locking ring or dog 36 on the sleeve 30 fits into an annular slot within the housing 20 .
- the inner sleeve 30 defines a bore 35 having a seat 40 fixed therein.
- the sliding sleeve 10 can be opened when tubing pressure is applied against the seated ball 40 to move the inner sleeve 30 open.
- operators drop an appropriately sized ball B downhole and pump the ball B until it reaches the landing seat 40 disposed in the inner sleeve 30 .
- the shear values required to open the sliding sleeves 10 can range generally from 1,000 to 4,000 psi (6.9 to 27.6 MPa).
- the well is typically flowed clean, and the ball B is floated to the surface. Then, the ball seat 40 (and the ball B if remaining) is milled out.
- the ball seat 40 can be constructed from cast iron to facilitate milling, and the ball B can be composed of aluminum or a non-metallic material, such as a composite.
- the inner sleeve 30 can be closed or opened with a standard “B” shifting tool on the tool profiles 32 and 34 in the inner sleeve 30 so the sliding sleeve 10 can then function like any conventional sliding sleeve shifting with a “B” tool.
- the ability to selectively open and close the sliding sleeve 10 enables operators to isolate the particular section of the assembly.
- sliding sleeves 10 When aluminum balls B are used, more sliding sleeves 10 can be used due to the close tolerances that can be used between the diameters of the aluminum balls B and iron seats 40 . For example, forty different increments can be used for sliding sleeves 10 having solid seats 40 used to engage aluminum balls B.
- an aluminum ball B engaged in a seat 40 can be significantly deformed when high pressure is applied against it. Any variations in pressuring up and down that allow the aluminum ball B to seat and to then float the ball B may alter the shape of the ball B compromising its seating ability.
- aluminum balls B can be particularly difficult to mill out of the sliding sleeve 10 due to their tendency of rotating during the milling operation. For this reason, composite balls B are preferred.
- the subject matter of the present disclosure is directed to overcoming, or at least reducing the effects of, one or more of the problems set forth above.
- FIG. 1A illustrates a sliding sleeve having a ball engaged with a seat to open the sliding sleeve according to the prior art.
- FIG. 1B illustrates a close up view of the sliding sleeve in FIG. 1B .
- FIG. 2A illustrates a cross-sectional view of a sliding sleeve according to the present disclosure.
- FIG. 2B illustrates a detailed view of the sliding sleeve in FIG. 2A .
- FIGS. 3A-3D respectively illustrate a cross-sectional view, an end view, a perspective view, and a detailed view of the inner sleeve of the disclosed sliding sleeve.
- FIG. 4 illustrates a cross-sectional view of the upper housing section of the disclosed sliding sleeve.
- FIGS. 5A-5B respectively illustrate a cross-sectional view and a detailed view of the lower housing section of the disclosed sliding sleeve.
- FIG. 2A illustrates a cross-sectional view of a sliding sleeve 100 according to the present disclosure.
- the sliding sleeve 100 has a housing 110 comprised of upper and lower housing sections 112 a - b that couple together for assembly. Inside the bore 114 of the housing 110 , the sleeve 100 has an inner sleeve 130 that is moveable therein between an upper position (not shown) and a lower position (shown).
- the sliding sleeve 100 can have a ball seat 120 disposed in the bore 132 of the inner sleeve 130 to engage a ball B.
- the housing 110 may define flow ports 116 for passage of fluid out of the sleeve 100 when the inner sleeve 130 is moved to its lower position.
- the sliding sleeve 100 also includes various seals 134 , shear screws (not shown), lock ring ( 136 ), and other common components, which may not be not depicted but would be present as will be appreciated.
- the ball B and seat 120 in the inner sleeve 130 need to be milled out.
- the ball B may not dislodged from the seat 120 to be floated to the surface.
- a milling operation mills out the seat 120 and the ball B (if present) from the inner sleeve 130 so the sliding sleeve defines full bore 132 for operations.
- the inner sleeve 130 preferably does not rotate or at least inhibits its rotation so that the rotating drill bit used in the milling operation can be applied more directly to the seat 120 and ball B (if any).
- the sliding sleeve 100 has an anti-rotation clutch assembly that helps prevent the inner sleeve 130 from rotating.
- the distal end of the inner sleeve 130 defines a wedged cone 150 .
- the wedged cone 150 engages in a deepening press fit into a cupped shoulder 170 defines on the lower housing section 112 b.
- FIGS. 3A-3D Details of the inner sleeve 130 and its wedged cone 150 are further shown in FIGS. 3A-3D , which respectively illustrate the inner sleeve 130 in cross-sectional, end, perspective, and detailed views.
- the wedged cone 150 on the distal end of the inner sleeve 130 angles inward by an angle ( ⁇ ).
- the angle ( ⁇ ) may be about 1.5-degrees ( ⁇ 0.5-degrees), and the wedged cone 150 may extend a distance of about 1-in. when the inner sleeve 130 is about 13-in. long and defines an inner dimension of about 4-in.
- the cone 150 can have a 1-in. Morse taper #0. Other values can be provided for different implementations.
- Scores 152 are defined at locations around the circumference of the wedged cone 150 and run along the length of the wedged cone 150 . As shown, eight such scores 152 may be provided, but more or less may be used. The scores 152 can facilitate the press fit of the wedged cone 150 into the cupped shoulder ( 170 ) of the lower housing section ( 112 b ), as disclosed herein. Other than or in addition to the scores 152 , the cone 150 can have knurled surfacing or other modifications to facilitate the press fit.
- FIG. 4 illustrates a cross-sectional view of the upper housing section 112 a.
- This section 112 a may be similar to those conventionally used.
- FIGS. 5A-5B further details of the lower housing section 112 b are provided in FIGS. 5A-5B , which respectively illustrate cross-sectional and detailed views of the lower housing section 112 b.
- the cupped shoulder 170 has an inner surface 172 that is relatively perpendicular to a stopping shoulder 174 .
- the inner surface 172 defines an angle ( ⁇ ) and press fits around the wedged cone ( 150 ) of the inner sleeve ( 130 ).
- the angle ( ⁇ ) may be about 1.5-degrees ( ⁇ 0.5-degrees), and the sidewall 172 may extend a distance of about 1-in. when the inner sleeve 130 is about 13-in. long. In fact, the sidewall 172 can have a 1-in. Morse taper #0. Other values can be provided for different implementations.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Multiple-Way Valves (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
A sliding sleeve has an inner sleeve that moves in a housing. For example, the inner sleeve can move open relative to a port in the housing when a deployed ball engages a seat in the inner sleeve. Because the seat and the ball (if remaining) are preferably milled out of the inner sleeve after use, the inner sleeve preferably does not rotate in the housing during milling operations. To accomplish this, an anti-rotation clutch assembly in the sliding sleeve helps prevent the inner sleeve from rotating. A wedged cone is formed on a distal end of the inner sleeve and press fits into a cupped shoulder on the inside of the sleeve's housing.
Description
- In a staged fracturing operation, multiple zones of a formation need to be isolated sequentially for treatment. To achieve this, operators install a fracturing assembly down the wellbore, which typically has a top liner packer, open hole packers isolating the wellbore into zones, various sliding sleeves, and a wellbore isolation valve. When the zones do not need to be closed after opening, operators may use single shot sliding sleeves for the fracturing treatment. These types of sleeves are usually ball-actuated and lock open once actuated. Another type of sleeve is also ball-actuated, but can be shifted closed after opening.
- Initially, operators run the fracturing assembly in the wellbore with all of the sliding sleeves closed and with the wellbore isolation valve open. Operators then deploy a setting ball to close the wellbore isolation valve. This seals off the tubing string of the assembly so the packers can be hydraulically set. At this point, operators rig up fracturing surface equipment and pump fluid down the wellbore to open a pressure actuated sleeve so a first zone can be treated.
- As the operation continues, operates drop successively larger balls down the tubing string and pump fluid to treat the separate zones in stages. When a dropped ball meets its matching seat in a sliding sleeve, the pumped fluid forced against the seated ball shifts the sleeve open. In turn, the seated ball diverts the pumped fluid into the adjacent zone and prevents the fluid from passing to lower zones. By dropping successively increasing sized balls to actuate corresponding sleeves, operators can accurately treat each zone up the wellbore.
-
FIG. 1A shows an example of a sliding sleeve 10 for a multi-zone fracturing system in partial cross-section in an opened state. This sliding sleeve 10 is similar to Weatherford's ZoneSelect MultiShift fracturing sliding sleeve and can be placed between isolation packers in a multi-zone completion. The sliding sleeve 10 includes ahousing 20 defining abore 25 and having upper andlower subs insert 30 can be moved within the housing's bore 25 to open or close fluid flow through the housing'sflow ports 26 based on theinner sleeve 30's position. - When initially run downhole, the
inner sleeve 30 positions in thehousing 20 in a closed state. Abreakable retainer 38 initially holds theinner sleeve 30 toward theupper sub 22, and a locking ring ordog 36 on thesleeve 30 fits into an annular slot within thehousing 20. Outer seals on theinner sleeve 30 engage thehousing 20's inner wall above and below theflow ports 26 to seal them off. - The
inner sleeve 30 defines abore 35 having a seat 40 fixed therein. When an appropriately sized ball lands on the seat 40, the sliding sleeve 10 can be opened when tubing pressure is applied against the seated ball 40 to move theinner sleeve 30 open. To open the sliding sleeve 10 in a fracturing operation once the appropriate amount of proppant has been pumped into a lower formation's zone, for example, operators drop an appropriately sized ball B downhole and pump the ball B until it reaches the landing seat 40 disposed in theinner sleeve 30. - Once the ball B is seated, built up pressure forces against the
inner sleeve 30 in thehousing 20, shearing thebreakable retainer 38 and freeing the lock ring ordog 36 from the housing's annular slot so theinner sleeve 30 can slide downward. As it slides, theinner sleeve 30 uncovers theflow ports 26 so flow can be diverted to the surrounding formation. The shear values required to open the sliding sleeves 10 can range generally from 1,000 to 4,000 psi (6.9 to 27.6 MPa). - Once the sleeve 10 is open, operators can then pump proppant at high pressure down the tubing string to the open sleeve 10. The proppant and high pressure fluid flows out of the
open flow ports 26 as the seated ball B prevents fluid and proppant from communicating further down the tubing string. The pressures used in the fracturing operation can reach as high as 15,000-psi. - After the fracturing job, the well is typically flowed clean, and the ball B is floated to the surface. Then, the ball seat 40 (and the ball B if remaining) is milled out. The ball seat 40 can be constructed from cast iron to facilitate milling, and the ball B can be composed of aluminum or a non-metallic material, such as a composite. Once milling is complete, the
inner sleeve 30 can be closed or opened with a standard “B” shifting tool on thetool profiles inner sleeve 30 so the sliding sleeve 10 can then function like any conventional sliding sleeve shifting with a “B” tool. The ability to selectively open and close the sliding sleeve 10 enables operators to isolate the particular section of the assembly. - When aluminum balls B are used, more sliding sleeves 10 can be used due to the close tolerances that can be used between the diameters of the aluminum balls B and iron seats 40. For example, forty different increments can be used for sliding sleeves 10 having solid seats 40 used to engage aluminum balls B. However, an aluminum ball B engaged in a seat 40 can be significantly deformed when high pressure is applied against it. Any variations in pressuring up and down that allow the aluminum ball B to seat and to then float the ball B may alter the shape of the ball B compromising its seating ability. Additionally, aluminum balls B can be particularly difficult to mill out of the sliding sleeve 10 due to their tendency of rotating during the milling operation. For this reason, composite balls B are preferred.
- The subject matter of the present disclosure is directed to overcoming, or at least reducing the effects of, one or more of the problems set forth above.
-
FIG. 1A illustrates a sliding sleeve having a ball engaged with a seat to open the sliding sleeve according to the prior art. -
FIG. 1B illustrates a close up view of the sliding sleeve inFIG. 1B . -
FIG. 2A illustrates a cross-sectional view of a sliding sleeve according to the present disclosure. -
FIG. 2B illustrates a detailed view of the sliding sleeve inFIG. 2A . -
FIGS. 3A-3D respectively illustrate a cross-sectional view, an end view, a perspective view, and a detailed view of the inner sleeve of the disclosed sliding sleeve. -
FIG. 4 illustrates a cross-sectional view of the upper housing section of the disclosed sliding sleeve. -
FIGS. 5A-5B respectively illustrate a cross-sectional view and a detailed view of the lower housing section of the disclosed sliding sleeve. -
FIG. 2A illustrates a cross-sectional view of asliding sleeve 100 according to the present disclosure. The slidingsleeve 100 has ahousing 110 comprised of upper and lower housing sections 112 a-b that couple together for assembly. Inside thebore 114 of thehousing 110, thesleeve 100 has aninner sleeve 130 that is moveable therein between an upper position (not shown) and a lower position (shown). - As discussed previously, the
sliding sleeve 100 can have aball seat 120 disposed in thebore 132 of theinner sleeve 130 to engage a ball B. Moreover, thehousing 110 may defineflow ports 116 for passage of fluid out of thesleeve 100 when theinner sleeve 130 is moved to its lower position. Thesliding sleeve 100 also includesvarious seals 134, shear screws (not shown), lock ring (136), and other common components, which may not be not depicted but would be present as will be appreciated. - As discussed previously, sometimes the ball B and
seat 120 in theinner sleeve 130 need to be milled out. For example, the ball B may not dislodged from theseat 120 to be floated to the surface. In any event, a milling operation mills out theseat 120 and the ball B (if present) from theinner sleeve 130 so the sliding sleeve definesfull bore 132 for operations. To facilitate this milling procedure, theinner sleeve 130 preferably does not rotate or at least inhibits its rotation so that the rotating drill bit used in the milling operation can be applied more directly to theseat 120 and ball B (if any). - As best shown in
FIG. 2B , the slidingsleeve 100 has an anti-rotation clutch assembly that helps prevent theinner sleeve 130 from rotating. In particular, the distal end of theinner sleeve 130 defines a wedgedcone 150. When theinner sleeve 130 is moved to its lower position shown inFIGS. 2A-2B and is forced further downward by any pressure build-up or other force, the wedgedcone 150 engages in a deepening press fit into acupped shoulder 170 defines on thelower housing section 112 b. - Details of the
inner sleeve 130 and its wedgedcone 150 are further shown inFIGS. 3A-3D , which respectively illustrate theinner sleeve 130 in cross-sectional, end, perspective, and detailed views. The wedgedcone 150 on the distal end of theinner sleeve 130 angles inward by an angle (α). The angle (α) may be about 1.5-degrees (±0.5-degrees), and the wedgedcone 150 may extend a distance of about 1-in. when theinner sleeve 130 is about 13-in. long and defines an inner dimension of about 4-in. In fact, thecone 150 can have a 1-in. Morse taper #0. Other values can be provided for different implementations. -
Scores 152 are defined at locations around the circumference of the wedgedcone 150 and run along the length of the wedgedcone 150. As shown, eightsuch scores 152 may be provided, but more or less may be used. Thescores 152 can facilitate the press fit of the wedgedcone 150 into the cupped shoulder (170) of the lower housing section (112 b), as disclosed herein. Other than or in addition to thescores 152, thecone 150 can have knurled surfacing or other modifications to facilitate the press fit. -
FIG. 4 illustrates a cross-sectional view of theupper housing section 112 a. Features of thissection 112 a may be similar to those conventionally used. However, further details of thelower housing section 112 b are provided inFIGS. 5A-5B , which respectively illustrate cross-sectional and detailed views of thelower housing section 112 b. Thecupped shoulder 170 has aninner surface 172 that is relatively perpendicular to a stoppingshoulder 174. - The
inner surface 172 defines an angle (β) and press fits around the wedged cone (150) of the inner sleeve (130). The angle (β) may be about 1.5-degrees (±0.5-degrees), and thesidewall 172 may extend a distance of about 1-in. when theinner sleeve 130 is about 13-in. long. In fact, thesidewall 172 can have a 1-in. Morse taper #0. Other values can be provided for different implementations. - The foregoing description of preferred and other embodiments is not intended to limit or restrict the scope or applicability of the inventive concepts conceived of by the Applicants. It will be appreciated with the benefit of the present disclosure that features described above in accordance with any embodiment or aspect of the disclosed subject matter can be utilized, either alone or in combination, with any other described feature, in any other embodiment or aspect of the disclosed subject matter. Accordingly, features and materials disclosed with reference to one embodiment herein can be used with features and materials disclosed with reference to any other embodiment.
- In exchange for disclosing the inventive concepts contained herein, the Applicants desire all patent rights afforded by the appended claims. Therefore, it is intended that the appended claims include all modifications and alterations to the full extent that they come within the scope of the following claims or the equivalents thereof.
Claims (6)
1. A sliding sleeve, comprising:
a housing defining a bore and defining a cupped shoulder therein;
an inner sleeve movably disposed in the bore from a first position to a second position,
the inner sleeve having a wedged cone formed on a distal end of the inner sleeve,
the wedged cone press fitting in the cupped shoulder of the housing and inhibiting rotation of the inner sleeve while in the second position.
2. The sliding sleeve of claim 1 , wherein the wedged cone defines a plurality of axial scores defined about a circumference of the wedged cone.
3. The sliding sleeve of claim 1 , wherein the cupped shoulder defines an inner wall disposed about a circumference of the bore and being substantially parallel to the axis of the sliding sleeve.
4. The sliding sleeve of claim 3 , wherein the cupped shoulder defines a stopping surface perpendicular to the inner wall.
5. The sliding sleeve of claim 1 , wherein the inner sleeve comprises a ball seat disposed therein.
6. The sliding sleeve of claim 1 , wherein the inner sleeve in the first position closes a port defined in the housing, and wherein the inner sleeved in the second position opens the port to the bore of the housing.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/789,984 US20140251628A1 (en) | 2013-03-08 | 2013-03-08 | Anti-Rotation Assembly for Sliding Sleeve |
CA2904443A CA2904443A1 (en) | 2013-03-08 | 2014-03-07 | Anti-rotation assembly for sliding sleeve |
PCT/US2014/022011 WO2014138649A2 (en) | 2013-03-08 | 2014-03-07 | Anti-rotation assembly for sliding sleeve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/789,984 US20140251628A1 (en) | 2013-03-08 | 2013-03-08 | Anti-Rotation Assembly for Sliding Sleeve |
Publications (1)
Publication Number | Publication Date |
---|---|
US20140251628A1 true US20140251628A1 (en) | 2014-09-11 |
Family
ID=50397302
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/789,984 Abandoned US20140251628A1 (en) | 2013-03-08 | 2013-03-08 | Anti-Rotation Assembly for Sliding Sleeve |
Country Status (3)
Country | Link |
---|---|
US (1) | US20140251628A1 (en) |
CA (1) | CA2904443A1 (en) |
WO (1) | WO2014138649A2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9670751B2 (en) | 2014-09-19 | 2017-06-06 | Weatherford Technology Holdings, Llc | Sliding sleeve having retrievable ball seat |
US20170218712A1 (en) * | 2016-02-01 | 2017-08-03 | Weatherford Technology Holdings, Llc | Positioning tool with extendable landing dogs |
RU2746987C1 (en) * | 2017-11-17 | 2021-04-23 | Хэллибертон Энерджи Сервисиз, Инк. | Drive for a multi-well system |
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-
2013
- 2013-03-08 US US13/789,984 patent/US20140251628A1/en not_active Abandoned
-
2014
- 2014-03-07 CA CA2904443A patent/CA2904443A1/en not_active Abandoned
- 2014-03-07 WO PCT/US2014/022011 patent/WO2014138649A2/en active Application Filing
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US3130783A (en) * | 1962-08-02 | 1964-04-28 | Jersey Prod Res Co | Cementing well pipe in stages |
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US20170218712A1 (en) * | 2016-02-01 | 2017-08-03 | Weatherford Technology Holdings, Llc | Positioning tool with extendable landing dogs |
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US11193355B2 (en) * | 2017-11-17 | 2021-12-07 | Halliburton Energy Services, Inc. | Actuator for multilateral wellbore system |
AU2017440031B2 (en) * | 2017-11-17 | 2024-02-08 | Halliburton Energy Services, Inc. | Actuator for multilateral wellbore system |
Also Published As
Publication number | Publication date |
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WO2014138649A3 (en) | 2015-01-22 |
CA2904443A1 (en) | 2014-09-12 |
WO2014138649A2 (en) | 2014-09-12 |
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